expounder

He peaceably shares insights on eclipses and the physical Moon, an exposition of astronomy that leaves his audience in awe of this “expounder of the laws of nature”.

More daringly, Ava — the character we are meant to feel closest to — is not only an expounder of theories of Darwinian selfishness; she also embodies them in the choices she makes.

Long before he went into politics, Cuomo was a practitioner, professor, expounder, and lover of the law.

Miller, who was given a junior membership at Olympic several years before tying for eighth in the 1966 Open at 19, has been the most insistent expounder of San Francisco golf.

Only in these days, when the far-reaching effects of the theory of evolution, supported by observation in every branch of inquiry, are apparent, are the merits of Lucretius as an original seer, more than as an expounder of the teachings of Empedocles and Epicurus, made clear.